'''
Created on 13. tra. 2011.

@author: Ana Banana
'''

import urllib,urllib2

url = 'http://www.uniprot.org/uniref/'

params = {
'format':'tab',
'cluster':'UniRef90_A5YMT3'
}


data = urllib.urlencode(params)
request = urllib2.Request(url, data)
response = urllib2.urlopen(request)
page = response.read(200000)
print page